US5281695AExpiredUtility

Perfluoropolyether compound

Assignee: SHINETSU CHEMICAL COPriority: May 14, 1991Filed: May 14, 1992Granted: Jan 25, 1994

Est. expiryMay 14, 2011(expired)· nominal 20-yr term from priority

Inventors:Hirofumi Kishita Yasuo Tarumi Kouichi Yamaguchi Takashi Matsuda Kouji Takano

C08G 65/321C07C 43/126

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Abstract

The present compound is a novel perfluoropolyether represented by the following general formula: <IMAGE> wherein m is an integer of 1 to 3 and n is an integer of 2 to 6. This compound is quite useful as an inert liquid used as a heat transfer mediums in the filed of electronic materials.

Claims

exact text as granted — not AI-modified

We claim: 
     
       1. A perfluoropolyether compound represented by the following general formula (1): ##STR9## wherein m is an integer of 2 or 3 and n is an integer of 2 to 6. 
     
     
       2. A compound as claimed in claim 1, wherein, in said general formula (1), n is an integer of 2 to 4.

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